[PR #6048] [proxy] Add mTLS auth support for reverse proxy services #27410

New Issue

saavagebueno · 2026-08-05T07:08:41-04:00

saavagebueno commented

2026-08-05 07:08:41 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/6048
Author: @marcschwaiger
Created: 5/1/2026
Status: 🔄 Open

Base: main ← Head: feature/mtls-auth

📝 Commits (6)

d07e00e Add mTLS auth support for reverse proxy services
4312a92 Fix mTLS review follow-ups
443a090 Refactor auth domain registration options
4e1f2e0 Tighten mTLS TLS selection and test stability
a4eda77 Clarify no-auth middleware comment
6a0bfe2 Accept commented mTLS CA PEM bundles

📊 Changes

15 files changed (+1648 additions, -471 deletions)

View changed files

📝 management/internals/modules/reverseproxy/service/manager/manager.go (+6 -0)
📝 management/internals/modules/reverseproxy/service/manager/manager_test.go (+24 -0)
📝 management/internals/modules/reverseproxy/service/service.go (+101 -1)
📝 management/internals/modules/reverseproxy/service/service_test.go (+144 -0)
📝 proxy/auth/auth.go (+1 -0)
📝 proxy/internal/auth/middleware.go (+66 -26)
📝 proxy/internal/auth/middleware_test.go (+536 -39)
➕ proxy/internal/auth/mtls.go (+106 -0)
📝 proxy/management_integration_test.go (+4 -9)
📝 proxy/server.go (+35 -1)
📝 proxy/server_test.go (+114 -0)
📝 shared/management/http/api/openapi.yml (+26 -0)
📝 shared/management/http/api/types.gen.go (+10 -0)
📝 shared/management/proto/proxy_service.pb.go (+470 -395)
📝 shared/management/proto/proxy_service.proto (+5 -0)

📄 Description

Describe your changes

Add mTLS authentication for reverse proxy services

Issue ticket number and link

https://github.com/netbirdio/netbird/issues/5364 mTLS Auth for Proxy Services

Stack

Checklist

Is it a bug fix
Is a typo/documentation fix
Is a feature enhancement
It is a refactor
Created tests that fail without the change (if possible)

By submitting this pull request, you confirm that you have read and agree to the terms of the Contributor License Agreement.

Documentation

Select exactly one:

I added/updated documentation for this change
Documentation is not needed for this change (explain why)

Docs PR URL (required if "docs added" is checked)

Paste the PR link from https://github.com/netbirdio/docs here:

https://github.com/netbirdio/docs/pull/720

Summary by CodeRabbit

New Features
- Per-domain mutual TLS (mTLS) support with configurable client CA pools and server TLS behavior.
- Service configuration, API, and proto now accept mTLS auth settings.
Bug Fixes
- Preserve existing mTLS CA certificate when updating a service without providing a new CA PEM.
Tests
- Added extensive mTLS unit/integration tests covering validation, middleware, and TLS configuration.
Documentation
- OpenAPI/types updated to expose mtls_auth fields.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/netbirdio/netbird/pull/6048 **Author:** [@marcschwaiger](https://github.com/marcschwaiger) **Created:** 5/1/2026 **Status:** 🔄 Open **Base:** `main` ← **Head:** `feature/mtls-auth` --- ### 📝 Commits (6) - [`d07e00e`](https://github.com/netbirdio/netbird/commit/d07e00e37bcfe593bbbfbcaf048cddb6df7d05c5) Add mTLS auth support for reverse proxy services - [`4312a92`](https://github.com/netbirdio/netbird/commit/4312a928ee226572516c5b92de7b02aed813ffe3) Fix mTLS review follow-ups - [`443a090`](https://github.com/netbirdio/netbird/commit/443a090cba79e795236bbce3f45dafae50782576) Refactor auth domain registration options - [`4e1f2e0`](https://github.com/netbirdio/netbird/commit/4e1f2e0b66094b41562230e1172fc4e65e3b614c) Tighten mTLS TLS selection and test stability - [`a4eda77`](https://github.com/netbirdio/netbird/commit/a4eda7766904afdb824b0f1a61c0c990036edc79) Clarify no-auth middleware comment - [`6a0bfe2`](https://github.com/netbirdio/netbird/commit/6a0bfe2b6fe66f80f199020007048f55cd3cfbd9) Accept commented mTLS CA PEM bundles ### 📊 Changes **15 files changed** (+1648 additions, -471 deletions) <details> <summary>View changed files</summary> 📝 `management/internals/modules/reverseproxy/service/manager/manager.go` (+6 -0) 📝 `management/internals/modules/reverseproxy/service/manager/manager_test.go` (+24 -0) 📝 `management/internals/modules/reverseproxy/service/service.go` (+101 -1) 📝 `management/internals/modules/reverseproxy/service/service_test.go` (+144 -0) 📝 `proxy/auth/auth.go` (+1 -0) 📝 `proxy/internal/auth/middleware.go` (+66 -26) 📝 `proxy/internal/auth/middleware_test.go` (+536 -39) ➕ `proxy/internal/auth/mtls.go` (+106 -0) 📝 `proxy/management_integration_test.go` (+4 -9) 📝 `proxy/server.go` (+35 -1) 📝 `proxy/server_test.go` (+114 -0) 📝 `shared/management/http/api/openapi.yml` (+26 -0) 📝 `shared/management/http/api/types.gen.go` (+10 -0) 📝 `shared/management/proto/proxy_service.pb.go` (+470 -395) 📝 `shared/management/proto/proxy_service.proto` (+5 -0) </details> ### 📄 Description ## Describe your changes Add mTLS authentication for reverse proxy services ## Issue ticket number and link https://github.com/netbirdio/netbird/issues/5364 mTLS Auth for Proxy Services ## Stack  ### Checklist - [ ] Is it a bug fix - [ ] Is a typo/documentation fix - [x] Is a feature enhancement - [ ] It is a refactor - [x] Created tests that fail without the change (if possible) > By submitting this pull request, you confirm that you have read and agree to the terms of the [Contributor License Agreement](https://github.com/netbirdio/netbird/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT.md). ## Documentation Select exactly one: - [x] I added/updated documentation for this change - [ ] Documentation is **not needed** for this change (explain why) ### Docs PR URL (required if "docs added" is checked) Paste the PR link from https://github.com/netbirdio/docs here: https://github.com/netbirdio/docs/pull/720 ### See also: Dashboard PR URL https://github.com/netbirdio/dashboard/pull/628  ## Summary by CodeRabbit * **New Features** * Per-domain mutual TLS (mTLS) support with configurable client CA pools and server TLS behavior. * Service configuration, API, and proto now accept mTLS auth settings. * **Bug Fixes** * Preserve existing mTLS CA certificate when updating a service without providing a new CA PEM. * **Tests** * Added extensive mTLS unit/integration tests covering validation, middleware, and TLS configuration. * **Documentation** * OpenAPI/types updated to expose mtls_auth fields.  --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

saavagebueno added the pull-request label 2026-08-05 07:08:41 -04:00

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Reference: DYNR/netbird#27410